/* SPDX-License-Identifier: GPL-2.0 */ /* * Simple pci display device. * * Framebuffer memory is pci bar 0. * Configuration (read-only) is in pci config space. * Format field uses drm fourcc codes. * ATM only DRM_FORMAT_XRGB8888 is supported. */ /* pci ids */ #define MDPY_PCI_VENDOR_ID PCI_VENDOR_ID_REDHAT #define MDPY_PCI_DEVICE_ID 0x000f #define MDPY_PCI_SUBVENDOR_ID PCI_SUBVENDOR_ID_REDHAT_QUMRANET #define MDPY_PCI_SUBDEVICE_ID PCI_SUBDEVICE_ID_QEMU /* pci cfg space offsets for fb config (dword) */ #define MDPY_VENDORCAP_OFFSET 0x40 #define MDPY_VENDORCAP_SIZE 0x10 #define MDPY_FORMAT_OFFSET (MDPY_VENDORCAP_OFFSET + 0x04) #define MDPY_WIDTH_OFFSET (MDPY_VENDORCAP_OFFSET + 0x08) #define MDPY_HEIGHT_OFFSET (MDPY_VENDORCAP_OFFSET + 0x0c)